World Bank & Gertler, P. (2011). Impact evaluation in practice. World Bank.
Chicagoスタイル(17版)引用形式World Bank , Paul Gertler. Impact Evaluation in Practice. Washington, D.C.: World Bank, 2011.
MLA(8版)引用形式World Bank , Paul Gertler. Impact Evaluation in Practice. World Bank, 2011.
警告: この引用は必ずしも正確ではありません.